Combating Nuclear Smuggling: NNSA’s Detection and Deterrence Program Is Addressing Challenges but Should Improve Its Program Plan, GAO-16-460: Published: Jun 17, 2016. Publicly Released: Jun 17, 2016. The National Nuclear Security Agency’s (NNSA) Nuclear Smuggling Detection and Deterrence (NSDD) program has developed a program plan that includes four 5-year goals to guide its efforts; however,… Continue Reading